<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>

<script src="lib/vue-2.4.0.js"></script>
<style>
    .v-enter,
    .v-leave-to{
        opacity: 0;
        transform: translateX(150px)
    }
    .v-enter-active,
    .v-leave-active{
        transition: all 0.5s ease;
    }
</style>
</head>

<body>

     <div id="app">
        <a href="#" @click.prevent="comName='login'">登录</a>
        <a href="#" @click.prevent="comName='register'">注册</a>
        <!-- 通过mode属性修改组件切换模式 -->
        <transition mode='out-in'>
            <component :is="comName"></component>        
        </transition>
    </div>


     <script>
         Vue.component('login',{
            template:'<h3>登录</h3>'
         })
         Vue.component('register',{
            template:'<h3>注册</h3>'
         })
        var vm = new Vue({
             el : '#app',
             data : {
                  comName:'login',
                  msg :'' ,
                  show:true,
            }
        }) 

     </script>

</body>

</html>